.canvas{
  min-height: 100%;
  background-color: #fff;
  overflow: hidden;

  .component-wrapper{
    margin: 12px;
    border: 1px solid #fff;
    padding: 12px;
    border-radius: 3px;
    overflow: hidden;

    &-inner{
      //取消鼠标事件
      pointer-events: none;
    }
    &:hover{
      border-color: #d9d9d9;
    }
  }
}

.disabled {
  opacity: .5;
  cursor:  not-allowed;
  border: 1px solid #f5f5f5;
}
.selected {
  border-color: #1890ff !important;
}